/*
 * Copyright 2013-2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.cloud.sleuth.instrument.web;

import java.util.Optional;
import java.util.regex.Pattern;

/**
 * Provides a URL {@link Pattern} for spans that should be not sampled. The default
 * implementation of {@link SkipPatternProvider} will harvest all
 * {@link SingleSkipPattern}s and combine them in a single pattern
 *
 * @author Marcin Grzejszczak
 * @since 2.1.0
 */
interface SingleSkipPattern {

	Optional<Pattern> skipPattern();

}
